But this particular spider-web is one of the largest ever witnessed and, as the local scientists admitted, the increased number of mosquitoes led to the appearance of moreTetragnatha spiders.

"It's the simple prey-predator phenomenon", Pergantis told the network. "It's the ecosystem's natural reactions and once the temperatures begin to drop and the gnat populations die out, the spider populations will decrease as well".

The spiders are not a danger to humans, the report said.

Speaking to Greek news websites, molecular biologist Maria Chatzaki said that the spiders are not unsafe to humans and she not be feared.